Ecosystem functions as indicators for heathland responses to nitrogen fertilisation
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- 作者：Alexandra Bä ; hring
- 关键词：Calluna vulgaris ; Coastal heath ; C ; N ratio ; Flower formation ; Plant cover ; Shoot increment
- 刊名：Ecological Indicators
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：72
- 期：Complete
- 页码：185-193
- 全文大小：1074 K
文摘
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- <p id="par0005">Shoot increment of Calluna is the most sensitive indicator for N fertilisation.p>
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- <p id="par0010">Cryptogam tissue C:N ratios responded to N inputs ≥5 kg ha
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- <p id="par0015">Shifts in species cover occurred after 3 years of N inputs ≥10 kg ha
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- <p id="par0020">C:N ratios of the mineral soil were inappropriate indicators for N inputs.p>
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- <p id="par0025">Dwarf shrub growth suggests ecosystem sensitivity even to low but chronic N inputs.p>